Control lever



Sept; 1, 1925. 1,551,823

w. L. GUY

v CONTROL LEVER Filed March 9, 1925 V Patented Sept. 1 1925.

- mechanism,

"UNITED, STA ES PATENT OFFICE;

wnimam LESLIE GUY, QFIBIRMINGHAM,ENGLAND, assrenon r0 AMAO LIMITED, orBIRMINGHAM, ENGLAND, A BRITISH COMPANY.

CONTROL LEVER.

Application filed March 9, 1925. Serial No. 14,146.

This invention relates to Bowden' wire controllevers, 'suchas areusually clipped to the handlebars of motor cycles, of the kind inwhichthe hubs of one or more levers are coaxially mounted upon a' fixedbase, and an adjustable friction device grips the hubs to preventuncontrolled movement of the levers.

The object of the invention is to provide a form of adjustment whichwill enable the friction of each lever to be adjusted independently andin a simple manner.

In the accompanying drawings, which show a construction having twolevers only, Figure 1 is a'sectional elevation .of-the Figure 2 is asimilarview wholly in outside elevation,

Figure 3 is a plan view of Figure 2 with the capof'the mechanismremoved,

Figure 4 is a plan view of the upper lever only with its associatedreel, and

Figure 5 is an elevation of Figure 4. In carrying out the invention, thebase A may be of any usual form, preferably cirform to agree with thecentral hole B of the hub 13 of the first lever B, the hub lying againstthe base A and preferably having a spring washerC of the knownBelleville typ between it and the base, or upon its upper side. As usualthe washer may engage an annular groove in the base or the hub.

The second lever D is rotatably' mounted upon a reel constituted by asleeve-form hub E, a fixed flange E at one end thereof, and anadjustable flange E at the other end, the adjustable flange beingscrew-threaded upon the hub E and having ahexagonal or othernon-circular part E" for adjusting it. A Belleville washer F is alsoprovided between the hub D of the second lever and one or both of theflanges E", E of the reel. The central hole through the reel is eithernon-circular and slidably engages a noncircular part of the stud A uponthe base A, or othermeans are adopted to hold it angularly fast on thestud, so that when mounted thereon with its fixed flange towards the hubB of the first lever B, it can be used to compress the latter againstthe base. In the construction illustrated (see Figures 3 and 4')projections E engage the ends of a wall A partly surrounding the base Aand having fixed to it the bosses A in which the ends of thetransmission cables (not shown) engage.

The adjustable flange'E of the reel is provided with a locking devicewhich preferably 18 adapted to give a Vernier adjustment and, as hereillustrated (see Figures 3 and 4) comprises a washer G, having a squarehole G engaging in selective angular positions a corresponding squareportion A of the stud A and having one or more radially arranged tonguesGr adapted to engage castellations E in the adjustable flange E of thereeL'preferably the hexagonal part E by means of which it is rotated. Ifthe number of castellations differs from the number of angularpositions,

is cut away so that the ends H of the notch.

engage the ends of'the wall A and prevent its movement around the studA. This cap H bears upon the reel so that by means of the set screw J,the reel can be compressed against the hub of the first lever B,thrusting it against the base A, thereby to impart to the lever thenecessary frictional resistance to movement. Suflicient verticalclearance of the cap H from the wall A and the stud A is provided forthis adjustment, and preferably some means are provided for locking theset screw J, by means of which the cap H and both the levers areretained upon the central stud.

The foregoing arrangement has the advantage that the adjustment of thefrictional load on the levers can be very readily effected by means ofthe set screw J.

method adopted for two only, three or more could be mounted so as to beindependently adjustable as to their frictional resistance to motion.

It willbe evident from the foregoing that the invention is carried outin a very simple manner, and that the assembly and subsequent adjustmentof the several parts can be readily effected.

hat I claim as my invention and desire to secure by Letters Patent ofthe United States is 1. A control lever assembly comprising a base, acentral stud extending; therefrom, a lever mounted upon said stud, areel fixed against rotation and mounted upon said stud, said reel havingrelatively adjustable flanges, a. second lever carried by the saidflanges, and means to compress the first mentioned lever toward thebase.

2. The device of claim 1, said reel Comprising a hub of sleeve formhaving a fixed radial flange at one end, and an adjustable flange screwthreaded upon the other end, said reel being loosely mounted upon saidstud and having a projection at the edge of its fined flange engaging afixed part carried by the base, the adjustable flange being locked byindirect en 'ement with a noncircular portion of said stud.

4:. A control lever assembly comprising a base, means to attach saidbase to a handle bar, a vertical stud extending from the base, a leverloosely mounted upon said stud, a reel mounted upon said stud and beingprovided with relatively adjustable flanges, a second lever carried bythe said flanges, a cap adjustably engaging said reel thereby tocompress the first mentioned lever between it and the base.

5. In combination in acontrol lever assembly, a base, means to attachsaid base to a handle bar, a stud secured to said base, a lever mountedon said base and in contact with said stud, a tubular membertelescopically engaging said stud, and having a pcripheral flange, saidtubular element being nonrotatably mounted on said stud, and means tobodily adjust the flange of the tubular element against said lever.

6. The device of claim 5, and an adjustable flange on said tubular elment above said second lover, a lever resting on said flange, and asecond adjustable flange nonrotatably mounted on said stud and engaging; the top of said last mcntioned lever. 7

7. The device of claim 5, said tubular element having a fixed peripheralflange and an adjustable peripheral flange screw threaded thereto, saidtubular element having an angular aperture therein engaging a similarlyshaped portion or" the stud, and projections at the end of the fixedflange, cooperating with fixed parts on said base.

In testimony whereof I have signed my name to this specification.

XVILLIAM LESLIE GUY.

